Ricklefs, Robert E.  . <br/><br/>
Economy of nature: a textbook in basic ecology /  
by Robert E. Ricklefs. 
 - 4th ed. /  
 - New York :   W.H.Freeman and Company ,   1997 
 - ix, 678p :  
<br/><br/><label>ISBN: </label>0-7167-2815-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>G:5(X)  / N7